System of automatically-operated safety devices for railway-crossings.



Patent ed Dec. 12, I89

6 Sheets$heet I.

F. H. RICE. SYSTEM OF AUTOMATICALLY OPERATED SAFETY DEVICES FOR RAILWAY CBUSSINGS. (Application filed Sept. 2, 189's.)

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No. 639,092. Patented 1m. i2, I899. F. H. RICE.

SYSTEM OF AUTOMATICALLY OPERATED SAFETY DEVICES FOR RAILWAY CROSSTINGS.

[Application filed 2, 1898.)

(No Model.) 6 Sheets-Shoat 2.

Patented Dec. l2, l899l.

F. H; RICE. SYSTEM OF AUTOMATICALLY OPERATED SAFETY DEVICES FOR RAILWAY GBOSSHNGS.

(Application iled Sept. 2, 1898.)

8.$heets-Sheet 3.

(No Model.)

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No. 639,092. Patented Dec. l2 I899.

. F. H. RICE. SYSTEM OF AUTOMATICALLY OPERATED SAFETY DEVICES FOR RAILWAY GRUSSINGS,

I (Application filed Sept. 2, 1898.) 0 M 6 Shse'ts.$heet 4.

No. 639,092. Patented Dec. I2, 1899. F. H. RICE.

SYSTEM OF AUTOMATICALLY OPERATED SAFETY DEVICES FOR RAILWAY CRDSSINGS.

(Application filed Sept. 2, 1898.) (No Model.) s Sheets$heet 5.

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Patenied Dec. [2, I899.

I F. H. RICE. SYSTEM OF AUTOMATICALLY OPERATED SAFETY DEVICES FOR RAILWAY CROSSINGS,

(Application filed Sept. 2, 1898) 6 Sheets-Shagt 6.

(No Model.)

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FRANKLIN HENRY RICE, OF PALMER, NORTHAMPTON COUNTY, PENNSYL- VANIA, ASSIGNOR OF Tl/VO-THIRDS TO M. H. JONES, OF EASTON, PENN- SYLV ANIA.

SYSTEM OF AUTOMATICALLY-OPERATED SAFETY DEVICES FOR RAILWAY-CROSSINGS.

SPECIFICATION forming part of Letters Patent No. 639,092, dated December 12, 1899. Application filed September 2, 1898. Serial No. 690,113. (No model.)

To aZZ whom it may concern: The invention is illustrated in the accom- Be it known that I, FRANKLIN HENRY RICE, panyin g drawings, in whicha citizen of the United States, residing in Pal- Figure l is an elevation of the device, taken mer township, Northampton county, Pennfrom the side farthest removed from the sylvania, have invented certain new and usetracks. Fig. 2 is an elevation taken from the ful Improvements in Systems of Automaticopposite side, showing only the mechanism ally-Operated Safety Devices for Railways, below the gate-platform and the movable way of which the following is a specification. above the same. Fig. 3 is a View taken on My invention is designed to provide'a systhe line 3 8, Fig. 1, lookingin the direction IO tem of railway safety devices adapted to be indicated by the arrow and showing the parts automatically operated by train-actuated above the platform. broken off. Fig. 4: is a plates placed a distance from the location of view of the mechanism arranged along the said devices, but suitably connected to the shaft 69, looking from the right-hand side of same. Fig. 1, showing in detail the semaphore. Fig.

I5 In the present invention the system in- 5 is a detail elevation of the semaphore. Fig. eludes three membersa gate, a warning-bell, 6 is a detail of the casing containing the mechand a semaphore-with mechanism for operanism operated by the sliding casting to shift ating each of the members singly and directly the movableguide and for locking said guide from the depressionpla-te or for coupling the in shifted position. Figs. 7 and S are details 20 mechanisms together, so that all of the memof the disk 30. Figs. 9 and 10 are details of bers will be operated in their proper order the oscillating disk 23. Fig. 11 is a View of when the depression-plate is actuated. the gravity-dog. Fig. 12 shows a detail of' The mechanism for operating the gate inthe gearing for ringing the warningbell. eludes means for raising and lowering the Figs. 13 and 14 are views of the supplemen= 25 same and means for locking the gate in its tal lock, and Figs. 15 and 16 are detail views lowered position, comprising arevoluble disk of the clutch and drum. Fig. 17 is a detail with a locking device therefor and a second perspective sectional View of the lock-nut. disk for releasing said locking device. In the present case the mechanism above The mechanism for ringing the bell inthe gate-platform 1 is similar to that described 30 cludes a bell and a hammer for ringing the in my former application, with the addition same mounted on a spindle rotated through of the warning-bell mechanism and the semagearing actuated by a drum suitably operated phore, as will be hereinafter described. controlled by mechanism leading to the de- As this device is adapted fora double track, pression-plates. from the under side of the platform two pairs 35 An auxiliary lock for preventing the fall of of guides 2 depend, upon each of whieha slidthe gate when released from its ordinary locking casting 3 is shifted as a bell-crank lever ing means until the bell has completed apre- 4, pivoted in the hangers 5, is tilted on the determined stroke may be employed in eondepression of its tread-plate, as described in neetion with the latter when it is used in the my former case. The end of each of said le- 40 system with the gate. vers is bifurcated to receive a roller 6, which The semaphore includes a part of the same runs along the underside of the projection 3' mechanism that is used to operate the gate of the casting as the same is raised by said and bell, with the addition of a pivoted arm levers, this loose connection being necessary controlled by the disks for locking and reto compensate for the changing distance be- 45 leasing the gate and a link for coupling the tween the pivots of said levers and the castsame to the semaphore,'which is suitably pivings as the castings are shifted. Each eastoted. ing 3 carries the rear projection at, which as The invention includes also the details of said casting is raised strikes againstthe roller construction, as will be hereinafter described, 7, located above the same, one of which is pro- 50 and particularly pointed out in the claims. vided' for each casting, each one being carried in the bifurcated end of an arm 9, which is pivoted at its opposite end upon a stud 10, fixed in the apex of the angular frame depending from and cast integral with the casing 11, forming the lower partof the bracket 12, depending from the under side of the platform 1. It will be understood that one of the casings 11 and one of the brackets is provided for each track, and in the present case two are used. Journaled in the vertical members 13 of said frames, directly below the easings 11, is a shaft 14, upon which the two arms 15 are journaled at one of their ends, the opposite ends thereof being coupled to the two arms 9, near the free ends of the same, by the links 16. From the inner face of each of said arms15 alug 17 extendsnvhich strikes against and lifts an arm 18, contiguous thereto, fixed at one end to the shaft 14 and havingits free end extending above and in the path of said lug. This action occurs when either of the castings is raised.

To the shaft 14 an arm 19 is fixed at one of its ends, its opposite end being linked by a connecting;rod 20 to the end of a pivoted arm 21, which is pivoted at its rearend to the block 21 and intermediately pivoted to the way, so that when raised it will shift the movable way 22 to release the gate, as in my former case. As the way moves back the block 34, carried thereby, is moved from under the pivoted arm 33, which retains the same in its lowered position. As the release of the gate depends upon the rearward movement ofthe way 22 and as the gate cannot be lifted until this way has again moved forward, it is essentially a controller the position of which determines the position of the gate, and I may hereinafter use that term in referring to this part. This pivoted arm 33 is linked to the weighted lever 32.

On the release of the block 34 from the arm 33 the gate can fall and is assisted by the weight depending from the end of a radial arm fixed to the gate-shaft. The arm has a segmentalend, to the lower part of which the weight is coupled and to the upper part of which a cable connection to the block 34 is fastened.

To retain the way 22 in its rearward position, independent sets of devices are provided, operated from each track, and as the mechanism for each track is similar only one set will be described. Each of the casings 11, before mentioned, has a pin 24 extending from the same, upon which a disk 23 is revolubly mounted, which carries a radial arm 25, coupled at its end to the arm 15 by the link 26. As the arm 15 rises the arm 25, linked thereto, is raised, which turns its plate 23 and brings the edge of a lug 27, which projects from the inner face of the plate 23 and runs concentric to its pivot-pin 24, beneath the end of a gravity-dog 28, centrally pivoted to the side of the casing 11. The fall of the dog is limited by its rear end striking against a lug 35, carried by a disk 30, corresponding to the disk 23, which is mounted upon a pin 29. In its arrested position the end of the dog lies in the line of movement of the lug 27, and as the casting 3, which has been operated by the oncoming train and has lifted the arm 25 drops the arm 25 is prevented from dropping by said lug 27 abutting against the end of said dog. As the train passes the gate and depresses the release-plate and tilts the bellcrank lever 31 the weighted lever 32 is lifted, which lifts the arm 33 above the block 34, said block being in its raised position; but it does not engage the same, as the way 22 is held in its retracted position by the arm 25, holding up the arm 15, which holds up the arm 1.9, and the arm 21 raised through the link 20. To permit the way 22 to swing back into position, the rear weighted end of the dog is lifted to move its forward end out of the path of the lug 27 by the segmental lug 35, projecting from the disk 30, as said disk is partly rotated. This movement of the disk is obtained by means of an arm 34 forming a part of said disk and extending radially therefrom, the arm 34 of the front disk, which is operated from the track nearest the gate, being coupled by a link 34 to a corresponding arm 34 fixed to a shaft 34", journaled in the frame 34 from which extends another lateral arm 35, which is coupled by a link 35 to the horizontal member of the front bell-crank 31. The arm extending from the rear disk is coupled to aradial arm on the shaft from which extends a radial arm which is coupled to the horizontal member of the rear lever 31. Thus as either of said bell-cranks is tilted by the train passing its release-plate it simultaneously (through the connections described) raises the arm 33 above the block 34 and releases the dog 24 from the lug 27 to permit the arm 19 to fall and the way 22 to return to its forward position.

From the platform 1, in the rear of the bracket 12, a vertical bracket depends, having bearing therein for the two stud-journals 41 42 and a bearing for one end of the horizontal shaft 43, the opposite end of which finds a bearing in the bracket 44, depending from the platform 1 to the rear of the bracket 40. Upon the shaft 43 a drum 45 is loosely journaled, which has a clutch connection with a hollow cylinder 46, fixed to said shaft through a detent 47, which engages an internal rack 48, carried thereby. The detent is pivoted at 49 at one end to one side of said cylinder, its intermediate portion engaging the rack 48 and its free end carrying a pin 50, which passes through an elongated slot 51 in a disk, forming the side of said cylinder abutting on the drum, and through a slot 52, running transversely of the slot 51 in the head of the drum 45. This drum also has an internal rack 53, which is engaged by a detent 54, pivoted within a casing 55, forming the lower part of the bracket 44. The free end of this detent rests upon a roller 56,.extending laterally from the arm 57, fixed to the end of the shaft 14, which is journaled in said casing. Around the drum 45 a cable is wound from one end of which a weight 59 is suspended, the opposite end thereof being connected to one of the levers operated by the release-plate. The weight 59 tends normally to rotate the drum 45,; but the drum is locked by the detent 54 engaging the rack 53. On the rocking of the shaft 14,as before described, the arm 57 is lifted, which through the roller 56 lifts the detent 54 out of engagement with the rack 53 and permits the weight to rotate the drum 45. This movement of the drum causes the wall of the slot 52 to press upon the pin 50 and push the tooth of the detent into engagement with the rack 48 and rotate said cylinder 46,with the drum 45, and therethrough the shaft 43, which will rotate the gear 60, fixed thereto, which meshes with a pinion 61 on the stud 42. A large gear 62 is fixed to the stud 42, which meshes with a pinion 63, fixed to the stud 4-1 to rotate the bevel-gear 64, fixed to said stud 41,which meshes with the bevel-gear 65, fixed to the vertical spindle 66. To this spindle above the platform 1 a brake device 67 is attached, similar to that forming the subject-matter of an application filed by me on the 29th day of January, 1898, Serial No. 668,486. The upper end of the spindle 66 passes centrally through aframe 68 supported in proximity to the gateshaft 69. Upon this upper end,which is screwthreaded, a split nut 70 is mounted,which is fed upwardly thereon as the spindle is rotated. Below the frame 68 an arm extending laterally from the spindle carries a hammer 71, that strikes a bell 72, suspended from the framework supporting the gate'shaft. The split nut releases an auxiliary lock for holding the gate from lowering after it has been released by the arm 33 until the'warning-bell has been rung a predetermined period. This gives notice to all persons that the gates are about to lower, so that they may check their teams in time to avoid being caught between the gates. From the gate-shaft a radial arm 73 extends, which has a lug 74 projecting from the side face thereof, that rests beneath the end of the vertical member of the angular arm 75, which is pivoted in the frame 68 when said arm is in its normal position. The end of the horizontal part of the arm is bifurcated and extends around the spindle 66, resting upon the split nut 70. As the way 22 is shifted to release the block 34 the gate is prevented from falling directly by the lug 74 strikingagainst the end of the arm 75. The shaft 14 is rocked by either of the castings and the interposed mechanism to shift said way, and, as before described, that releases the drum 45, which is rotated by the weight 49, and its movement is conveyed by the gearing before mentioned to the spindle to rotate the same. As the spindle rotates the warning-bell is rung by the hammer and the split nut is gradually fed upwardly, push- The split nut comprises a frame 80, loose upon the spindle and having at the top and bottom thereof horizontally-extending arms 81, with guideways therein. The two parts 82 83 of the nut have corresponding arms which slide in said ways and intermediate arms 84. An arm 85, having a bifurcated end pivoted between the sides of the frame 80, has its free end resting upon the arm 73. To each side of the end of the arm 84 of the section 83 one end of a link 86 is pivoted, the opposite ends of said links being pivoted to the bifurcated members of the arm 85, to the rear of the pivot of said arm. To the end of the arm 84 of the other section of said nut a corresponding pair of links are pivoted, the latter links passing beneath the pivots of the arm 85 and are pivoted to the ends of said bifurcated members.

When the nut has been fed upon the spindle the necessary distance to tilt the arm 75 sufficiently to release the arm 73, the gate falls and the arm 73, which when the gate is up extends downwardly from the shaft in a radial line, is raised, which tilts the free end of the arm 85, which through the links 86 will spread the nut and permit it to fall. The fall of the nut is arrested by the end of a sleeve 70, which is screwed into the bottom of the frame and surrounds the spindle 66. By adjusting this sleeve in the frame 68 the amount of travel of the split' nut before it will tilt the angular arm sufficiently to release the gate can be adjusted, and by this means the time between the ringing of the warning-bell and the falling of the gate can be regulated. To look the sleeve 88 to prevent accidental displacement, a fiat horizontal plate 89 is secured to the end thereof, which has a square projection 90, extending from the surface thereof, around which a square frame 91 loosely fits.

The frame 91 has a rearward extension engaging a guide-ribv 92, carried by the frame 68. By lifting the frame 91 to disengage the same from the projection the SlGGX-Q may be turned to adjust the same in the bottom of said frame 68.

The end of the cable wound around the drum 45 being connected to the levers for operating the levers 31, the weight 59 is wound up when the other mechanism is operated to raise the gate. The ringing of the warningbellbeingentirely unnecessary when the gates are rising, the rotating of the drum 45 does not affect the gearing for operating the spindle. Thisindependentmovementofthedrum 45 is secured by disconnecting the said drum from the cylinder 46 by lifting the detent47 from engagement with the teeth 48, which occurs when the drum 45 rotates in the direction of the arrow by reason of the wall of the 4 s'aooa slot 52 lifting the pin 56 in the slot 51, and thus only the rear disk 40 of the cylinder 16 rot-ates with the drum 45.

A semaphore is provided to be operated simultaneously with the rising and falling of the gate. This semaphore comprises the two arms a I), placed at right angles to eachother and held in a triangular frame 0, which is pivoted at d to a bracket d, forming a part of the gate-supporting framework, and is provided with a tailpiece e, from which a linkf depends. The lower end of this link is pivotally connected to an arm g, which is pivoted intermediately on the stud 24 on the rear of the front disk 23. The forward part of this arm is supported upon an offset h, projecting from the front arm 25 and disk 23. As the disk rotates on the rising of said arm 25 the arm g is lifted by the offset 72, and the semaphore tilted on its pivot to bring the arm a, which is normally in a vertical position and is the danger-signal, in a horizontal position.

The front disk 30 carries an upwardly-extending radial arm g, which carries a laterally-extending roller m, beneath which the rear end of the arm 9 extends. As the disk 30 rotates to release the dog 28 from the pro jecting rib 27, the roller m bears upon this rear end of the arm 9 and holds the same depressed, thus retaining the forward end thereof in its raised position after the return of the disk 23 and the arm a of the semaphore in horizontal position until after the train has passed entirely off the release-plate and the disk 30 has returned to normal position.

It will be understood that each of the safety devices may be operated independently of the other. To operate the bell and gate alone, it is only necessary to disconnect the link f from the arm g. To operate the bell alone, the linkf is disconnected from the arm g, which throws the semaphore out of operation, and then the link 20 is disconnected from the arm 19, and the arm 33 uncoupled from the arm 32, which renders the mechanism for lowering the gate inoperative.

Secured to the shaft 69 is the arm 0, which is connected by a link a to the arm 0, secured to the common rock-shaft p, and the arms carrying the segments 0", to which the cables are secured. The operation of this mechanismis fully described in my former case before referred to, so no description of the same will be given here.

I claim 1. In combination,asafety device,the mechanism for raising and retaining the same in raised position, a controller for said mechanism, an oscillating device connected thereto for locking the controller, means for oscillatin g said device and operating said controller,

and locking means for said device, substantially as described.

2. In combination, the gate, mechanism for raising and retaining the same in raised position a shiftable way for controlling said mechanism, an arm having a connection to said way, an oscillating locking device, means for raising said arm to retract said way by which means said device is oscillated in a forwardly direction and means adapted to automatically engage and retain said device in its forward position, substantially as described.

3. In combination, the gate, mechanism for raising and retaining the same in raised position,ashiftable way for controlling said mechanism, an arm having a connection to said way, an oscillating locking device, means for raising said arm to retract said way by which means said device is oscillated in a forwardly direction, and a pawl adapted to automatically engage and retain said device in its forward position, substantially as described.

4. In combination, the gate, mechanism for raising and retaining the same in raised position, a shif table way for controlling said mechanism, the casing, the disk pivoted thereto, the arm carried by said disk, the connections between said arm and the way, means for lifting said arm whereby said way is shifted and said disk oscillated, and a gravity-pawl carried by said casing adapted to engage and lock said disk in its forward position, substantially as described.

5. In combination, the gate, mechanism for raising and retaining the samein raised position, a shiftable way for controlling said mechanism, the casing, the stud extending therefrom, the disk journaled on said stud, the arm carried by said disk, the connections between said arm and the way, the mechanism for raising the arm, a projection extending from the face of said disk, and a pawl pivoted to said casing adapted to engage said projection when said disk is oscillated forwardly, substantially as described.

6. In combination, the gate, the gate-platform,the way,the mechanism controlled thereby for operating saidgate, the sliding castings one for each track, the casings, one for each track depending from said platform, the disks and arms carried thereby pivoted to said casings, the frames depending from said casings, the arms 9 pivotally supported at one end by said frames having their free ends extending in the path of said castings, the crossshaft supported by said frame, the arms 15 journaled thereon linked to the arms 9, the arms fixed to said cross-shaft adapted to be lifted by the arms 15 to rock said shaft, a connection between said shaft and the way for retracting the Way when said shaft is rocked by said fixed arms, and locking devices connected to each of the arms 15 to retain the same in its raised position when lifted and therethrough the cross-shaft in its rocked position and the way retracted, substantially as described.

7. In combination, the gate, mechanism for raising and retaining the same in raised position, a controller therefor, an oscillating device for operating the controller, means for oscillating said device, locking means therefor and releasing means for the same, substantially as described.

8. In combination, the gate, mechanism for raising and retaining the same in raised position, the shiftable way, the oscillating disk, the arm carried thereby connected to the mechanism for shifting said way, means for retracting the way whereby said arm is raised and the disk oscillated forwardly, a gravitypawl adapted to engage the disk and retain the same in its forward position and a re leasing device for said pawl, substantially as described.

9. In combination, the gate, mechanism for raising and retaining the same in raised position, the shiftable way, the oscillating disk, the arm carried thereby connected to the mechanism for shifting said way, means for retracting said way whereby said arm is raised and the disk oscillated forwardly, a gravitypawl adapted to engage the disk and retain the same in its forward position, a second oscillating disk with means for operating the same and means carried thereby for releasing said pawl, substantially as described.

10. In combination, the gate, mechanism for raising and retaining the same in raised positiomthe way, the casing, the disk pivoted thereto, the arm carried thereby connected to the mechanism for shifting said way, means for retracting the way, the second disk with means for operating the same, a pawl pivoted to the casin g intermediately of said disks adapted to engage the first disk when oscillated forwardly and lock the same, and a lug carried by the second disk adapted to strike the pawl and release the same when the second disk is oscillated, substantially as described.

11. In combination, the gate, mechanism for raising and retaining the same in raised position, the way, the casings, one for each track, locking and releasing disks carried by said casings, the common cross-shaft at, the single arm 19 carried thereby, the link connection between the same and said way for shifting the latter as said shaft is rocked, an arm carried by each locking-disk, a corresponding arm linked thereto pivoted on said cross-shaft, an arm fixed to said cross-shaft contiguous to each of said pivoted arms adapted to be lifted thereby, the castings one for each track, mechanism interposed between each casting and one of said arms, means for lifting the casting operated from its respective track, whereby said casting will lift its respective pivoted arm thereby simultaneously oscillating the locking-disk and rocking the cross-shaft whereby the way will be retracted, the pawl for engaging and locking the disk against return on the dropping of the casting, pivoted arms and the intermediate connections, and the means for oscillating the releasing-disk contiguous to the locked disk to shift said pawl out of engagement with the locked disk, substantially as described.

12. In combination, the gate, mechanism for raising and retaining the same in raised position, the oscillating disks having connec tions leading to said way, means for retracting the way whereby one of said disks is oscillated, a pawl for locking the same, the release-disks contiguous to the locking-disks adapted to release said pawl, the levers operated from the tracks, and the connections between each of said release-disks and one of said levers, substantially as described.

13. In combination, the gate, the meansfor raising the same and for locking the gate in raised position, and supplemental means for locking the gate after its release by the main locking means, substantially as described.

14. In combination, the gate, mechanism for lowering the same, means for locking the gate to prevent the lowering thereof, a warning-bell-striki'ng n1echanism,means for simultaneously releasing said locking means and operating said striking mechanism, and a supplemental lock for said gate adapted to temporarily retain the same after the release of the main locking means, substantially as described.

15. In combination, the gate, mechanism for raising and lowering the same and locking the gate in raised position, a warning-bell, mechanism for striking the same, means for simultaneously releasing said locking means and actuating the striking mechanism, and supplemental means for retaining the gate in raised position during the strike, substantially as described.

16. In combination, thegate,means for raising and lowering the same, and for locking the gate in raised position, a bell, a spindle with means for rotating the same, a hammer carried thereby adapted to strike said bell, supplemental means for locking the gate, means for simultaneously releasing the main locking means and actuating the means for rotating said spindle, and means carried by said spindle for releasing the supplemental locking means, substantially as described.

17. In combination, the gate,means for raising and lowering the same, and for locking the gate in raised position, a bell, a spindle with means for rotating the same, a hammer carried thereby adapted to strike said bell, supplemental means for locking the gate, means for simultaneously releasing the main locking means and actuating the means for rotating said spindle, and a device automatically shiftable along said spindle for releasing said supplemental lock, substantially as described.

18. In combination, the gate, means for raising and lowering the same and for locking the gate in raised position, a bell, a threaded spindle with means for rotating the same, a hammer carried thereby, supplemental means for locking the gate, means for simultaneously releasing the main locking means and actuating the means for rotating said spindle, and a nut threaded on said spindle adapted to be automatically fed upwardly thereon during the rotation of the same to release said supplemental locking means, substantially as described.

19. In combination ,the gate, means for raisingand lowering the same, and for locking the gate in raised position, the bell, the threaded spindle with means for rotating the same, the hammer carried thereby, the pivoted arm for engaging the gate-shaft to form a supplementallock for said gate, means for simultaneously releasing the main gate-locking means and for actuating the spindle-rotating mechanism, and a nut adapted to be automatically fed upwardly on said spindle as the same is rotated to strike said pivoted arm and move the same out of engagement with the gate-shaft, substantially as described.

20. In combination,tl1e gate,and gate-shaft, means for raising and lowering the gate, and for locking the same in its raised position, a frame contiguous to said gate, an arm extending radially from said gate-shaft, an angular arm pivoted on said frame having one member thereof engaging said radial arm to lock the gate in raised position, a threaded spindle guided in said frame with means for rotating the same, means for simultaneously releasing the main gate-locking means and for actuating said spindle-rotating means, and a nut threaded on said spindle adapted to feed upwardly thereon as the same is rotated to strike said angular arm and tilt the same out of engagement with the radial arm, substantial] y as described.

21. In combination, the gate and gate-shaft, the means for raising and lowering the gate and for locking the same in its raised position, an arm fixed to the gate-shaft extending radially therefrom, the hell, the threaded spindle with means for rotating the same, the hammer for striking the bell carried thereby,

. the frame contiguous to said shaft forminga guide for said spindle, the nut threaded on the spindle, the angular arm pivoted in said frame having its vertical memberin the path of said radial arm and its horizontal member in. the path of said nut, and means for simultaneously releasing the main gate-locking means and for actuating the spindle-rotating means whereby said nut will be automatically fed upwardly on said spindle to raise the horizontal member of the angular arm, tilting said arm and moving the vertical member thereof out of the path of said radial arm,-

substantially as described.

22. In combination, the gate,and gate-shaft, means for raising and lowering said gate and for locking the same in its raised position, the bell, the threaded spindle with means for rotating the same, the hammer carried thereby, the means engaging said radial arm forming a supplemental lock for the gate, means for releasing the main gate-locking m eans and for actuating the means for rotating said spindle, the nut threaded on said spindle adapted to be fed upwardly thereon through the rotation of said disk to release said radial arm, and the means actuated by the rising of said radial arm to disengage the nut from said spindle, substantially as described.

In combination, the gate and gate-shaft, means for raising and lowering said gate, and for locking the same in its raised position, the bell, the threaded spindle with means for rotating the same, the hammer carried thereby,

for locking the same in its raisedposition, the

bell, the threaded spindle with means for rotating the same, the hammer carried by said spindle, the radial arm fixed to the gate-shaft, means engaging the same to prevent the movement thereof, the sectional nut threaded on said spindle, the frame inclosing and guiding said sections, means for rotating the spindle to feed the nut upwardly thereon to release said radial arm, an arm pivoted in the nutframe, said arm being adapted to be tilted by the rising of said radial arm, and the connections between said pivoted arm and said sections for spreading the same when said arm is tilted to disengage the said nut from said spindle, substantially as described.

25. In combination, the gate and gate-shaft, means for raising and lowering said gate and for locking the same in its raised position, the bell, the threaded spindle with means for rotating the same, the hammer carried by said spindle, the radial arm fixed to the gate-shaft, means engaging the same to prevent the movement thereof, the sectional nut threaded on said spindle, the frame inclosing and guiding said sections, means for actuating the spindle, rotating means to feed the nut upwardly on said spindle to release said radial arm, an arm pivoted in the nut-frame, said arm being adapted to he tilted by the rising of said radial arm, and the link connections arranged in pairs between said pivoted arm and said sections for spreading the same when said arm is tilted to disengage the said nut from said spindle, substantially as described.

26. In combination, the gate and gate-shaft, means for raising and lowering the same and for locking the same in raised position, the radial arm, the means for engaging the same, the threaded spindle with means for rotating the same, the nut threaded thereon adapted to be fed upwardly during the rotation of said spindle to release said radial arm, means for disengaging the nut from said spindle to permit the same to fall, and means for limiting the fall of said nut, substantially as described.

27. In combination,the gate and gate-shaft, means for raising and lowering the same and for locking the same in raised position, the radial arm, the means for engaging the same, the threaded spindle with means for rotating the same, the nut threaded thereon adapted to be fed upwardly during the rotation of said spindle to release said radial arm, means for disengaging the nut from said spindle to permit the same to fall, and adjustable means for limiting the fall of said nut, substantially as described.

28. In combination,the gate and gate'shaft,

means for raising and lowering the same and for looking the same in raised position, the radial arm, means for engaging the same, the bell, the threaded spindle, the frame forming a guide therefor, the hammer carried by said spindle, a nut threaded thereon adapted to be fed upwardly thereon to release said radial arm, means for disengaging the nut from said spindle to permit the same to fall, and a sleeve surrounding said spindle threaded in said frame adapted to arrest the fall of said nut, said sleeve being adjustable, substantially as described.

29. In combination,the gate and gate-shaft, means'for raising and lowering the same and for locking the same in raised position, the radial arm, means for engaging the same, the bell, the threaded spindle, the frame forming a guide therefor, the hammer carried by said spindle, a nut threaded thereon adapted to be fed upwardly on the same to release said radial arm, means for disengaging the nut from said spindle to permit the same to fall, a sleeve surrounding said spindle threaded in said frame adapted to arrest the fall of said nut, a base-plate secured to said sleeve having a projection from the face thereof, a.

socket-plate engaging said projection to prevent the rotation of said sleeve, a guide-rib, and an extension from said socket-plate engaging the guide on said rib, substantially as described.

30. In combination,the gate,mechanism for raising and lowering the same and for looking the same in raised position, the bell, the spindle, the hammer carried thereby, a supplemental lock for said gate, releasing means therefor carried by said spindle, a drum with means for rotating the'same, means for looking the same against rotation, means for actuating the gate-lowering means and for releasing the drum and gearing interposed between the drum and said spindle, substantially as described.

31. In combination,thegate,means for raising and lowering the same and for locking the gate in raised position, the bell, the spindle, the hammer carried thereby,the supplemental lock for said gate, the releasing means therefor carried by said spindle,a drum with means for rotating the same, means for locking the drum against rotation, means for releasing the drum, a cylinder having a detachable engagement therewith and gearing actuated by said cylinderinterposed between the same and said spindle, substantially as described.

32. In combination, the gate, the sliding casting with means for operating the same, the bell,the spindle,thehammer carried thereby, a drum with means for rotating the same, means for locking the drum against rotation, means for releasing the drum operated from said casting, the cylinder, a detent controlled by the rotation of said drum forming a' de tachable connection between the drum and cylinder, and the gearing actuated thereby interposed between said spindle and cylinder, substantially as described.

In combination,the -sliding casting with means for operating the same, the bell, the spindle, the hammer carried thereby, a drum with means for rotating the same, means for locking the drum against rotation, means for releasing the drum operated from said casting, the cylinder havingan internal rack, the disk forming the side thereof abutting on said drum, a detent pivoted at one end to said cylinder having an intermediate tooth engaging said rack, a pin carried by the opposite end of said detent, said disk and abutting wall of said drum having crossing slots therein through which said pin is guided whereby said detent will form a rigid connection between the drnm and cylinder as the drum rotates in one direction and permit of the independent movement of the drum in the opposite direction and the gearing actuated by said cylinder and interposed between the same and said spindle, substantially as described.

34. In c0mbination,the gate, mechanism for raising and lowering the same and for looking the gate in its raised position, the bell, the supplemental lock, the threaded spindle, the bell-hammer and a releasing device for said supplemental lock carried by said spindle, the drum, the cable thereon having a weighted end tending to rotate said drum in one direction, means for locking the drum against rotation, means for simultaneously releasing the main gate-locking means and releasing said drum, gearing actuated by the drum when rotated by said weight to rotate said spindle, said cable being adapted to be re- Wound as the gate is raised, anda detachable connection between said drum and gearing to permit of the independent movement of said drum during the rewinding of said cable, substantially as described.

35. In combination,the gate, means for raising and lowering the same, and for retaining the same in raised position, a controller for said mechanism, an oscillating device conneoted thereto, means for operating said device, a semaphore and means operated by said oscillating device for actuating said semaphore, substantially as described.

36. In combination,the gate, means for raising and lowering the same and for retaining the same in raised position, an oscillating disk operated by said raising means, a pivoted semaphore,a pivoted arm adapted to be raised by said disk, a connection between said arm and semaphore for controlling the same by said arm, a second disk operated by the gateraising mechanism, and means carried thereby for retaining the arm controlling said semaphore in raised position until after the complete raising of the gates, substantially as described.

37. In combination, the gate, means for raising and lowering the same and for retaining the gate in raised position, an oscillating disk operated by said raising means, a semaphore having angularly-extending arms, a pivoted frame connecting said arms and having a tailpiece, a controlling-arm linked thereto adapted to be lifted by said disk to tilt said frame and change the position of the semaphore arms, a second oscillating disk operated by the gate-raising means, and an arm carried thereby engaging the said controlling-arm, substantially as described.

38. In combination, the sliding casting with means for operating the same, a drum having a weighted cable wound thereon, a bell, a hammer, a spindle carrying the same geared to said drum, a pawl for locking the drum against rotation under the impulse of said weight, a cross-shaft, means carried thereby for releasing said pawl and means for operating said shaft on the rising of said casting, substantially as described.

39. In combination, a plurality of sliding castings, with means for operating the same, a common cross-shaft, means for rocking said shaft when any of said castings is lifted, a drum having a weighted cable wound thereon, a pawl for locking the drum against rotation under the impulse of said weight, a bell, a be1l-hammer, a spindle carrying the same, gearing interposed between said drum and hammer and means carried by said crossshaft for releasing said pawl, substantially as described.

40. In combination, the sliding casting with means for operating the same, the pivoted semaphore, the pivoted arm coupled thereto, mechanism operated by said casting for actuating said arm and means for locking said arm, substantially as described.

41. In combination, the pivoted semaphore, the oscillating disk, the pivoted arm coupled to said semaphore operated by said disk, means for locking said disk, and a second disk for releasing the same, substantially as described.

42. In combination, the pivoted semaphore, the pivoted arm coupled thereto, the oscillating disk adapted to raise said arm, means for locking the disk with the arm in raised position, means for releasing the same and means for retaining said arm in raised position when said disk is released.

In testimony whereof I affix my signature in presence'of two witnesses.

FRANKLIN HENRY RICE.

WVitnesses:

' REUBEN KOLB,

ALICE FENICLE. 

